Home / 4,376.68-6,564.74-1,779.55

Finding the Fourth Proportional to 4,376.68, 6,564.74 and 1,779.55

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Solution

The fourth proportional to 4,376.68, 6,564.74 and 1,779.55 is: 2,669.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,376.68 : 6,564.74 = 1,779.55 : x
  2. Step 2: Convert to fraction form
    4,376.68/6,564.74 = 1,779.55/x
  3. Step 3: Cross multiply
    4,376.68x = 6,564.74 × 1,779.55
  4. Step 4: Simplify right side
    4,376.68x = 11,682,241.35
  5. Step 5: Solve for x
    x = 11,682,241.35/4,376.68
  6. Step 6: Final answer
    x = 2,669.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.